CipherFactory.cpp

//// CipherFactory.cpp//// $Id: //poco/1.3/Crypto/src/CipherFactory.cpp#2 $//// Library: Crypto// Package: Cipher// Module: CipherFactory//// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.// and Contributors.//// Permission is hereby granted, free of charge, to any person or organization// obtaining a copy of the software and accompanying documentation covered by// this license (the "Software") to use, reproduce, display, distribute,// execute, and transmit the Software, and to prepare derivative works of the// Software, and to permit third-parties to whom the Software is furnished to// do so, all subject to the following:// // The copyright notices in the Software and this entire statement, including// the above license grant, this restriction and the following disclaimer,// must be included in all copies of the Software, in whole or in part, and// all derivative works of the Software, unless such copies or derivative// works are solely in the form of machine-executable object code generated by// a source language processor.// // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER// DEALINGS IN THE SOFTWARE.//#include "Poco/Crypto/CipherFactory.h"#include "Poco/Crypto/Cipher.h"#include "Poco/Crypto/CipherKey.h"#include "Poco/Crypto/RSAKey.h"#include "Poco/Crypto/CipherImpl.h"#include "Poco/Crypto/RSACipherImpl.h"#include "Poco/Exception.h"#include "Poco/SingletonHolder.h"#include <openssl/evp.h>#include <openssl/err.h>namespace Poco {
namespace Crypto {
intCipherFactory::_instanceCount = 0;
CipherFactory::CipherFactory()
{
if (_instanceCount == 0)
{
OpenSSL_add_all_algorithms();
ERR_load_crypto_strings();
}
++_instanceCount;
}
00067 CipherFactory::~CipherFactory()
{
--_instanceCount;
if (_instanceCount == 0)
{
ERR_free_strings();
EVP_cleanup();
}
}
00078CipherFactory& CipherFactory::defaultFactory()
{
staticPoco::SingletonHolder<CipherFactory> holder;
return *holder.get();
}
00085Cipher* CipherFactory::createCipher(constCipherKey& key)
{
returnnewCipherImpl(key);
}
00091Cipher* CipherFactory::createCipher(constRSAKey& key, RSAPaddingMode paddingMode)
{
returnnewRSACipherImpl(key, paddingMode);
}
} } // namespace Poco::Crypto